package tech.aistar.corejava.day03;

/**
 * Created by 李雨昂 on 2019/7/20.
 */
public class ArrayDemo {
    public static void main(String[] args) {
        int [] arr = new int [3];
        arr[0] =  12;
        System.out.println(arr[0]);
        System.out.println(arr.length);
        for (int i : arr) {
            System.out.println(i);
        }
        System.out.println("=============");
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i]);
        }
    }
}
